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Single row tapered roller bearings

4T-32205CR - NTN

4T-32205CR

Tapered roller bearing, pressed steel cage

The single row tapered roller bearing is available in metric dimensions (ISO 355 and JIS B 1512 standards) and in inches (ABMA standard, metric series including J). The single row in tapered roller bearing range, is the most widely used and is generally mounted in opposition.

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter25 mm
D - External diameter52 mm
B - Bearing/Inner ring width18 mm
C - Outer ring width15 mm
T - Total width19,25 mm
a - Charge load application point16 mm
rs - Min fillet radius1 mm
r1s - Min fillet radius1 mm
Mass0,189 kg
ISO 355 referenceT2CD025
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PRODUCT PERFORMANCE
C - Dynamic load38 kN
C0 - Static load42 kN
Cu - Fatigue limit load5,1 kN
A2 - Rating life coefficient1
e - Coefficient0.58
Y0 - Static axial load coefficient0.57
Y2 - Upper axial load coefficient1.03
N lim - Oil lubrication limit speed9400 tr/min
N lim - Grease lubrication limit speed7100 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR30,5 mm
db min - Min IR shoulder diameter30 mm
Da max - Max shoulder diameter OR46,5 mm
Db min - Min OR shoulder diameter49 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm
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